Hii im using windows 7 64bit cgminer 3.7.2

if someone need it, this is my setting, avg 980 khash/s

cgminer --scrypt -o stratum+tcp://THEPOOLADRESS:PORT -O YOURUSERAME:YOURPASSWORD -g 1 -w 512 --lookup-gap 2 --thread-concurrency 24550 -I 20 --gpu-engine 1022 --gpu-memclock 1500 --gpu-powertune 20